From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Pasi Kärkkäinen
Sent: Saturday, September 04, 2010 13:23
To: Juan Pablo Lopez Bergero
Cc: Michael Lueck; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Re: Is there a motherboard with paralell port and
VT-d virtualization?
On Sat, Sep 04, 2010 at 12:51:26PM -0300, Juan Pablo Lopez Bergero wrote:
> On Sat, Sep 4, 2010 at 9:23 AM, Pasi Kärkkäinen <[1]pasik@xxxxxx>
wrote:
>
> On Fri, Sep 03, 2010 at 05:02:49PM -0400, Michael Lueck wrote:
> > Juan Pablo Lopez Bergero wrote:
> >> I need a paralell port and rs232 also.
> >
> > I use a system with this Intel board in it:
> >
> > "Intel Desktop Board DG33BU"
> >
>
[2]http://www.intel.com/products/desktop/motherboards/dg33bu/dg33bu-overview
.htm
> >
> > The latest flash BIOS update adds VT-d support, has a parallel,
> serial, and even floppy connector.
> >
> > I have an Intel Core2 Duo Processor E8500 (6M Cache, 3.16 GHz, 1333
> MHz FSB) chip in it. Works quite nicely.
> >
>
> Note that parallel port is NOT a PCI device, so you cannot use Xen
PCI
> passthru
> (IOMMU/VT-d or not) to passthru it to a guest VM.
>
> You need some other form of "parallel port passthru" if you need to
use
> it in the VM.
> -- Pasi
>
>
> There is a sarial port emulation on the kernel xen options. Is there
the
> same for paralell?
>
I don't know.
Qemu-dm has serial support for Xen HVM guests, but I don't know about
parallel/lpt.
-- Pasi
_______________________________________________
In case anyone else stumbles across this thread and can offer
advice: Even if qemu-dm had parallel/lpt support, it would have to be full
pass-through for what the OP and I need (software key), not emulation.
Dustin
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